Simplify flow modules.

.internal/createFlow.js

@@ -1,38 +0,0 @@
-/**
- * Creates a `flow` or `flowRight` function.
- *
- * @private
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Function} Returns the new flow function.
- */
-function createFlow(fromRight) {
-  return (...funcs) => {
-    const length = funcs.length;
-
-    let index = length;
-
-    if (fromRight) {
-      funcs.reverse();
-    }
-
-    while (index--) {
-      if (typeof funcs[index] !== 'function') {
-        throw new TypeError('Expected a function');
-      }
-    }
-
-    return function(...args) {
-      const value = args[0];
-      let index = 0;
-      let result = length ? funcs[index].apply(this, args) : value;
-
-      while (++index < length) {
-        result = funcs[index].call(this, result);
-      }
-
-      return result;
-    };
-  };
-}
-
-export default createFlow;